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-rw-r--r--e_os.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/e_os.h b/e_os.h
index 45fef691a094..1fa36c171980 100644
--- a/e_os.h
+++ b/e_os.h
@@ -619,7 +619,7 @@ struct servent *PASCAL getservbyname(const char *, const char *);
# include <sys/select.h>
# endif
-# if defined(sun)
+# if defined(__sun) || defined(sun)
# include <sys/filio.h>
# else
# ifndef VMS
@@ -661,7 +661,7 @@ struct servent *PASCAL getservbyname(const char *, const char *);
# endif
-# if defined(sun) && !defined(__svr4__) && !defined(__SVR4)
+# if (defined(__sun) || defined(sun)) && !defined(__svr4__) && !defined(__SVR4)
/* include headers first, so our defines don't break it */
# include <stdlib.h>
# include <string.h>